621 COLUMBIA ST EXT, Cohoes, NY - Available Office Space For Lease 621 COLUMBIA ST EXT, Cohoes, NY - Available Office Space For Lease 621 COLUMBIA ST EXT, Cohoes, NY - Available Office Space For Lease 621 COLUMBIA ST EXT, Cohoes, NY - Available Office Space For Lease 621 COLUMBIA ST EXT, Cohoes, NY - Available Office Space For Lease